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Positive and negative ion desorption chemical ionization of some penicillins

โœ Scribed by John L. Gower; Claude Beaugrand; Claude Sallot


Publisher
John Wiley and Sons
Year
1981
Tongue
English
Weight
389 KB
Volume
8
Category
Article
ISSN
1076-5174

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## When is used as a reagent gas for negative-ion chemical ionization (NCI) of phenothiazines and related com-O 2 pounds, the majority of the ions observed are formed by surface-catalyzed reactions prior to ionization. Both oxidation of the sulfur atom and formation of quinoid systems are observed